30781016

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 73872000

約数和(自身を除く): 43090984

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 49, 56, 62, 68, 98, 119, 124, 136, 149, 196, 217, 238, 248, 298, 392, 434, 476, 527, 596, 833, 868, 952, 1043, 1054, 1192, 1519, 1666, 1736, 2086, 2108, 2533, 3038, 3332, 3689, 4172, 4216, 4619, 5066, 6076, 6664, 7301, 7378, 8344, 9238, 10132, 12152, 14602, 14756, 17731, 18476, 20264, 25823, 29204, 29512, 32333, 35462, 36952, 51646, 58408, 64666, 70924, 78523, 103292, 124117, 129332, 141848, 157046, 206584, 226331, 248234, 258664, 314092, 452662, 496468, 549661, 628184, 905324, 992936, 1099322, 1810648, 2198644, 3847627, 4397288, 7695254, 15390508, 30781016]

約数ペア:

[(1, 30781016), (2, 15390508), (4, 7695254), (7, 4397288), (8, 3847627), (14, 2198644), (17, 1810648), (28, 1099322), (31, 992936), (34, 905324), (49, 628184), (56, 549661), (62, 496468), (68, 452662), (98, 314092), (119, 258664), (124, 248234), (136, 226331), (149, 206584), (196, 157046), (217, 141848), (238, 129332), (248, 124117), (298, 103292), (392, 78523), (434, 70924), (476, 64666), (527, 58408), (596, 51646), (833, 36952), (868, 35462), (952, 32333), (1043, 29512), (1054, 29204), (1192, 25823), (1519, 20264), (1666, 18476), (1736, 17731), (2086, 14756), (2108, 14602), (2533, 12152), (3038, 10132), (3332, 9238), (3689, 8344), (4172, 7378), (4216, 7301), (4619, 6664), (5066, 6076)]